Stainless steel air pipe with protective structure
By designing a protective cover and sealing structure on the stainless steel air duct, the corrosion problem caused by the direct exposure of the outer surface of the stainless steel air duct is solved, and the service life of the air duct and bolts is extended.
Patent Information
- Application Number
- CN202423017585.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-12-09
AI Technical Summary
The outer surface of the stainless steel air duct is directly exposed to the environment, which leads to accelerated corrosion and shortens the service life.
A stainless steel air duct with a protective structure is designed, including a protective cover, a sealing block and a bolt connection. The protective cover is used to shield the outer surface of the air duct, and the sealing block and bolt connection are used to ensure sealing to prevent contact with external environmental factors.
It effectively slows down the corrosion rate of the outer surface of the air duct, prolongs its service life, and protects the bolt head from moisture and corrosion.
Smart Images

Figure CN223318627U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of stainless steel air ducts, and particularly relates to a stainless steel air duct with a protective structure. Background Art
[0002] Stainless steel duct is a piping material widely used in a variety of industrial and commercial applications, mainly used in air conditioning, ventilation and exhaust systems to transport and distribute air.
[0003] During the use of stainless steel air ducts, after the installation is completed, the outer surface of the stainless steel air duct is directly exposed to the environment. Various factors in the environment will directly contact and affect the outer surface of the stainless steel air duct, causing the outer surface of the stainless steel air duct to be corroded faster, thereby affecting the service life of the stainless steel air duct, shortening the service life of the stainless steel air duct, and causing inconvenience to the operator.
[0004] Therefore, the present invention provides a stainless steel air duct with a protective structure to solve the above problems. Utility Model Content
[0005] The purpose of the present utility model is to provide a stainless steel air duct with a protective structure, aiming to solve the problem in the prior art that the outer surface of the stainless steel air duct is directly exposed to the environment, resulting in various factors in the environment directly contacting and affecting the outer surface of the stainless steel air duct, accelerating the corrosion process of the outer surface of the stainless steel air duct, thereby affecting the service life of the stainless steel air duct.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a stainless steel air duct with a protective structure, comprising an air duct body, connecting blocks connected to the surfaces of both ends of the air duct body, connecting grooves provided on the surfaces of both ends of the connecting block, one end of a protective cover connected to the inner surface of the connecting groove, a first sealing block connected to the inner surface of both ends of the protective cover, one end of the first sealing block extends into the first groove provided on the outer surface at both ends of the air duct body, a second sealing block is connected to the inner surface of the bottom end of the air duct body between the two first sealing blocks, one end of the second sealing block extends into the second groove provided on the surface of one end of the air duct body, a bolt is passed through the surface of one end of the connecting block, one end of the bolt extends into the fixing hole provided on the surface of one end of the protective cover, and a protective mechanism is also provided on the surface of one end of the connecting block.
[0007] In order to achieve shielding and protection of the bolts, a stainless steel air duct with a protective structure is preferably used in the present invention. The protective mechanism includes: a blocking cover, a sealing ring, a third slot, an insert block, a slot, a block and a fourth slot. The surface of one end of the connecting block is connected to the blocking cover, the inner surface of the blocking cover is connected to the sealing ring, one end of the sealing ring extends into the third slot opened on the surface of one end of the connecting block, the inner surface of the blocking cover is connected to the insert block, one end of the insert block extends into the slot opened on the surface of one end of the connecting block, and blocks are connected to the surfaces on both sides of the insert block, and one end of the block extends into the fourth slot opened on the inner surface of the slot.
[0008] In order to achieve the placement of the protective cover, as a preferred embodiment of the utility model of a stainless steel air duct with a protective structure, the protective cover is slidably connected to the connecting block through a connecting groove.
[0009] In order to ensure the sealing between the protective cover and the air duct body, as a preferred stainless steel air duct with a protective structure of the utility model, the first sealing block forms a snap-fit structure with the air duct body through the first slot, and the second sealing block forms a snap-fit structure with the air duct body through the second slot.
[0010] In order to fix the protective cover, as a preferred embodiment of the present invention, a stainless steel air duct with a protective structure, the bolts are threadedly connected between the connecting block and the fixing hole.
[0011] In order to realize the disassembly and assembly of the blocking cover and improve the sealing between the blocking cover and the connecting block, as a preferred embodiment of the utility model, a stainless steel air duct with a protective structure is configured, wherein the sealing ring forms a snap-fit structure with the connecting block through the third slot, the insert block forms a sliding connection with the connecting block through the slot, and the clamping block forms a snap-fit structure with the connecting block through the fourth slot.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] The utility model installs and fixes the protective cover on the connecting block, so that the protective cover can shield and protect the outer surface of the air duct body, avoiding the outer surface of the air duct body from being directly exposed to the environment, and effectively preventing the outer surface of the air duct body from contacting external environmental factors, thereby slowing down the corrosion rate of the outer surface of the air duct body and increasing the service life of the air duct body.
[0014] The utility model provides a protective mechanism and installs a blocking cover on the connecting block, so as to shield and protect the head of the bolt, reduce the influence of moisture in the environment on the bolt head, and make the bolt head less likely to corrode and rust. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the cross-section explosion structure of the utility model;
[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the locally enlarged structure at point A in the middle.
[0020] In the figure: 1. Duct body; 2. Connecting block; 3. Connecting slot; 4. Protective cover; 5. First sealing block; 6. First slot; 7. Second sealing block; 8. Second slot; 9. Bolt; 10. Fixing hole; 11. Block cover; 12. Sealing ring; 13. Third slot; 14. Insert block; 15. Slot; 16. Block; 17. Fourth slot. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figures 1-4 The utility model provides the following technical solutions: a stainless steel air duct with a protective structure, comprising an air duct body 1, with connecting blocks 2 connected to the surfaces of both ends of the air duct body 1, connecting grooves 3 are opened on the surfaces of both ends of the connecting block 2, and one end of a protective cover 4 is connected to the inner surface of the connecting groove 3, and a first sealing block 5 is connected to the inner surface of both ends of the protective cover 4, one end of the first sealing block 5 extends into the first card groove 6 opened on the outer surface of both ends of the air duct body 1, a second sealing block 7 is connected to the inner surface of the bottom end of the air duct body 1 between the two first sealing blocks 5, one end of the second sealing block 7 extends into the second card groove 8 opened on the surface of one end of the air duct body 1, a bolt 9 is penetrated and connected to the surface of one end of the connecting block 2, and one end of the bolt 9 extends into the fixing hole 10 opened on the surface of one end of the protective cover 4, and a protective mechanism is also provided on the surface of one end of the connecting block 2.
[0023] Preferably: the protective mechanism includes: a blocking cover 11, a sealing ring 12, a third card slot 13, an insert block 14, a slot 15, a card block 16 and a fourth card slot 17, the blocking cover 11 is connected to the surface of one end of the connecting block 2, the sealing ring 12 is connected to the inner surface of the blocking cover 11, one end of the sealing ring 12 extends into the third card slot 13 opened on the surface of one end of the connecting block 2, the insert block 14 is connected to the inner surface of the blocking cover 11, one end of the insert block 14 extends into the slot 15 opened on the surface of one end of the connecting block 2, and the card blocks 16 are connected to the surfaces of both sides of the insert block 14, one end of the card block 16 extends into the fourth card slot 17 opened on the inner surface of the slot 15.
[0024] During specific use, the plug block 14 on the inner side of the blocking cover 11 is inserted into the slot 15. At this time, the plug block 14 will move with the card block 16 into the fourth card slot 17, so that the card block 16 is locked into the fourth card slot 17, so that the position of the plug block 14 is fixed in the slot 15. At this time, the blocking cover 11 will be installed on one side of the connecting block 2, and the sealing ring 12 on the inner side of the blocking cover 11 will also be locked into the third card slot 13, thereby increasing the sealing between the blocking cover 11 and the connecting block 2. In this way, the head position of the bolt 9 will be inside the blocking cover 11, so that the blocking cover 11 can cover and protect the head of the bolt 9. By pulling the blocking cover 11, the card block 16 can be separated from the fourth card slot 17, so that the plug block 14 can slide out of the slot 15, so that the blocking cover 11 can be removed, so that the head of the bolt 9 will be exposed again, and the operator can remove the bolt 9 through the head of the bolt 9.
[0025] Preferably, the protective cover 4 is slidably connected to the connecting block 2 via the connecting groove 3 .
[0026] During specific use, one end of the protective cover 4 can be slidably placed into the connecting groove 3 on the connecting block 2 .
[0027] Preferably, the first sealing block 5 forms a snap-fit structure with the air duct body 1 through the first snap-fit groove 6 , and the second sealing block 7 forms a snap-fit structure with the air duct body 1 through the second snap-fit groove 8 .
[0028] During specific use, when the first sealing block 5 and the second sealing block 7 move to the first card slot 6 and the second card slot 8, the first sealing block 5 and the second sealing block 7 will be engaged in the first card slot 6 and the second card slot 8, thereby increasing the sealing between the protective cover 4 and the air duct body 1.
[0029] Preferably, the bolt 9 passes through the connection block 2 and the fixing hole 10 to form a threaded connection.
[0030] During specific use, the bolts 9 are passed through the connecting block 2 and screwed into the fixing holes 10 on the protective cover 4 to fix the position of the protective cover 4.
[0031] Preferably, the sealing ring 12 forms a snap-fit structure with the connecting block 2 through the third snap-fit groove 13 , the inserting block 14 forms a sliding connection with the connecting block 2 through the slot 15 , and the snap-fit block 16 forms a snap-fit structure with the connecting block 2 through the fourth snap-fit groove 17 .
[0032] During specific use, the insert block 14 can be slidably inserted into the slot 15. At this time, the insert block 14 will move with the card block 16 to the fourth card slot 17, allowing the card block 16 to be engaged with the fourth card slot 17, so that the position of the insert block 14 is fixed in the slot 15. At this time, the blocking cover 11 will be installed on one side of the connecting block 2, and the sealing ring 12 on the inside of the blocking cover 11 will also be engaged with the third card slot 13, thereby increasing the sealing between the blocking cover 11 and the connecting block 2.
[0033] Working principle: When using the stainless steel air duct with a protective structure, slide the protective cover 4 into the connecting groove 3 on the connecting block 2. At this time, the protective cover 4 will move with the first sealing block 5 and the second sealing block 7 to the first card groove 6 and the second card groove 8, so that the first sealing block 5 and the second sealing block 7 are engaged with the first card groove 6 and the second card groove 8, thereby increasing the sealing between the protective cover 4 and the air duct body 1. Then, use the bolt 9 to penetrate the connecting block 2 and screw it into the fixing hole 10 on the protective cover 4 to fix the position of the protective cover 4, so that the protective cover 4 can seal and shield the outer surface of the air duct body 1, avoid the outer surface of the air duct body 1 from being directly exposed to the environment, effectively prevent the outer surface of the air duct body 1 from contacting with external environmental factors, thereby slowing down the corrosion of the outer surface of the air duct body 1. Speed, improve the service life of the air duct body 1, secondly, when the bolt 9 is installed, the plug 14 on the inside of the cover 11 can be inserted into the slot 15, and the plug 14 will move with the card block 16 to the fourth card slot 17, so that the card block 16 is engaged with the fourth card slot 17, so that the position of the plug 14 is fixed in the slot 15, and the cover 11 will be installed on one side of the connecting block 2, and the sealing ring 12 on the inside of the cover 11 will also be engaged with the third card slot 13, thereby increasing the sealing between the cover 11 and the connecting block 2, so that the head position of the bolt 9 will be inside the cover 11, so that the cover 11 can shield and protect the head of the bolt 9, effectively slowing down the influence of moisture in the environment on the head of the bolt 9, making the head of the bolt 9 not prone to corrosion and rust, and ensuring the service life of the head of the bolt 9.
[0034] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A stainless steel air duct with a protective structure, comprising an air duct body (1), characterized in that: The surfaces of both ends of the air duct body (1) are connected with connecting blocks (2), and connecting grooves (3) are provided on the surfaces of both ends of the connecting block (2). One end of the protective cover (4) is connected to the inner surface of the connecting groove (3). The inner surfaces of both ends of the protective cover (4) are connected with first sealing blocks (5), and one end of the first sealing block (5) extends into the first slot (6) provided on the outer surfaces of both ends of the air duct body (1). The inner surface of the bottom end of the air duct body (1) between the two first sealing blocks (5) is connected with a second sealing block (7), and one end of the second sealing block (7) extends into the second slot (8) provided on one end surface of the air duct body (1). A bolt (9) is passed through the surface of one end of the connecting block (2), and one end of the bolt (9) extends into the fixing hole (10) provided on the surface of one end of the protective cover (4). A protective mechanism is also provided on the surface of one end of the connecting block (2).
2. The stainless steel air duct with a protective structure according to claim 1, characterized in that: The protective mechanism comprises: a blocking cover (11), a sealing ring (12), a third card slot (13), an insert block (14), a slot (15), a card block (16) and a fourth card slot (17); one end surface of the connecting block (2) is connected to the blocking cover (11); the inner surface of the blocking cover (11) is connected to the sealing ring (12); one end of the sealing ring (12) extends into the third card slot (13) opened on one end surface of the connecting block (2); the inner surface of the blocking cover (11) is connected to the insert block (14); one end of the insert block (14) extends into the slot (15) opened on one end surface of the connecting block (2); and both side surfaces of the insert block (14) are connected to the card blocks (16); one end of the card block (16) extends into the fourth card slot (17) opened on the inner surface of the slot (15).
3. The stainless steel air duct with a protective structure according to claim 1, characterized in that: The protective cover (4) is slidably connected to the connecting block (2) via the connecting groove (3).
4. The stainless steel air duct with a protective structure according to claim 1, characterized in that: The first sealing block (5) forms a snap-fit structure with the air duct body (1) via the first snap-fit groove (6), and the second sealing block (7) forms a snap-fit structure with the air duct body (1) via the second snap-fit groove (8).
5. The stainless steel air duct with a protective structure according to claim 1, characterized in that: The bolt (9) penetrates the connecting block (2) and forms a threaded connection with the fixing hole (10).
6. The stainless steel air duct with a protective structure according to claim 2, characterized in that: The sealing ring (12) forms a snap-fit structure with the connecting block (2) via the third snap-fit groove (13), the inserting block (14) forms a sliding connection with the connecting block (2) via the slot (15), and the snap-fit structure with the connecting block (2) via the fourth snap-fit groove (17).